{"product_id":"hanna-groline-ph-dosing-system-hi981412","title":"Hanna GroLine pH Dosing System (HI981412)","description":"\u003cp\u003eAutomated pH control for hydroponic and fertigation systems. The GroLine HI981412 is a wall-mounted controller with a built-in peristaltic dosing pump: it reads pH continuously and doses automatically to hold your set point, so reservoir pH stops drifting between manual checks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eController with HI10063 amplified pH\/temperature probe (PVDF body, 1\/2\" thread, Quick Connect DIN)\u003c\/li\u003e\n\u003cli\u003epH 0.00-14.00, 0.01 resolution, +\/-0.10 pH accuracy, automatic temperature compensation\u003c\/li\u003e\n\u003cli\u003eOn\/Off or Proportional dosing control - set point 4.00-10.00 pH; selectable acid (pH Down) or base (pH Up) dosing\u003c\/li\u003e\n\u003cli\u003ePeristaltic pump doses 0.5-3.5 L\/h; brushless stepper motor; manual prime control\u003c\/li\u003e\n\u003cli\u003eHigh\/low alarms, overtime overdose protection, color-coded LCD (green = normal, red = alarm)\u003c\/li\u003e\n\u003cli\u003eIP65 wall-mount casing, alarm relay output, input for a level controller or flow switch\u003c\/li\u003e\n\u003cli\u003eIn the box (base configuration): controller, HI10063 probe, pH 4.01 and 7.01 buffer sachets (20 mL x 3 each), power connection cable, instruction manual\u003c\/li\u003e\n\u003cli\u003eIn-Line Mounting Kit adds: injector, pipe saddles, aspiration filter, valves, 5 m aspiration and dispensing tubing. Panel-Mounted Flow Cell adds: flow cell on mounting panel, injector, saddles, filter, valves, 5 m aspiration and 15 m dispensing tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Hanna Instruments items may add 1-2 extra business days of processing time before shipping.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Controller + Probe","offer_id":54518125592859,"sku":"HI981412-00","price":459.99,"currency_code":"USD","in_stock":true},{"title":"In-Line Mounting Kit","offer_id":54518125625627,"sku":"HI981412-10","price":609.99,"currency_code":"USD","in_stock":true},{"title":"Panel-Mounted Flow Cell","offer_id":54518125658395,"sku":"HI981412-20","price":829.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6768\/1563\/files\/hi981412-main.jpg?v=1793832387","url":"https:\/\/ghhydro.com\/products\/hanna-groline-ph-dosing-system-hi981412","provider":"Green Harvest Hydroponics","version":"1.0","type":"link"}